Cisco QSFP-40G-CSR4 40GBASE-CSR4 Multi-mode QSFP+ Optical Transceiver Module
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Product details
| Management number | 241577457 | Release Date | 2026/07/18 | List Price | US$944.33 | Model Number | 241577457 | ||
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The Cisco QSFP-40G-CSR4 is a high-density 40GBASE QSFP+ optical transceiver module, engineered for robust 40 Gigabit Ethernet connectivity. It is ideal for data centers, high-performance computing networks, enterprise core and distribution layers, and service provider transport applications. This hot-swappable module extends link lengths up to 300 meters on OM3 multimode fiber and 400 meters on OM4 multimode fiber. Each 10-gigabit lane adheres to IEEE 10GBASE-SR specifications, enabling native 40G optical links via 12-fiber ribbon cables (MPO/MTP connectors) or 4x10G mode using ribbon to duplex fiber breakout cables for 10GBASE-SR interfaces.
Key Features:
* Data Transfer Rate: Up to 40 Gbps (40000 Mbit/s)
* Cabling Technology: 40GBASE-CSR4, supports multi-mode fiber (MMF)
* Maximum Transfer Distance: 400 meters
* Interface Type: QSFP+
* Wavelength: 850 nm
* Operating Temperature: 0 to 70 °C
* Supports Auto MDI/MDI-X
* Certified by MSA (Multi-Source Agreement)
* Cisco quality identification (ID) for certified and tested modules
* Designed for durable performance and minimal signal loss over optical fiber cable
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